/Engine/Source/Runtime/Interchange/Engine/Public/InterchangeManager.h
class UInterchangeManager : public [UObject](API\Runtime\CoreUObject\UObject\UObject)
FInterchangeOnA...
OnAssetPostImport
FInterchangeOnA...
OnAssetPostReimport
FInterchangeOnB...
OnBatchImportComplete
FSimpleMulticas...
OnPreDestroyInterchangeManager
Called when before the application is exiting.